What is the cheapest airline that flies from Medford to Ontario?

Alaska Airlines, Delta, and United Airlines are the most popular carriers operating from Medford to Ontario

What airlines fly to Ontario?

Alaska Airlines, United Airlines and Allegiant Air are the top three most popular airlines that fly to Ontario from Medford according to our data. Alaska Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Medford Airport to Ontario Airport?

Prices for flights from Medford Airport to Ontario Airport are updated daily.

How many operators does momondo search for flights from Medford Airport to Ontario Airport?

The number of operators available for flights from Medford Airport to Ontario Airport is 3 as of January 2026.

How old do you have to be to fly from Medford Airport to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Medford Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$99 Cheap Flights from Medford to Ontario in 2026

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Find the cheapest flights from Medford to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:45 am - 11:08 am

MFR

ONT

5h 23m

1 stop

4:02 pm - 11:59 pm

ONT

MFR

7h 57m

1 stop

$230Alaska Airlines

Tue, Feb 24 - Fri, Feb 27

3:45 pm - 8:10 pm

MFR

ONT

4h 25m

1 stop

7:00 am - 3:53 pm

ONT

MFR

8h 53m

1 stop

$243Alaska Airlines

Wed, Feb 11 - Sat, Feb 14

5:05 am - 12:16 pm

MFR

ONT

7h 11m

1 stop

1:10 pm - 11:12 pm

ONT

MFR

10h 02m

2 stops

$248Delta

Wed, Feb 11 - Tue, Feb 17

5:36 pm - 10:32 pm

MFR

ONT

4h 56m

1 stop

7:00 am - 12:01 pm

ONT

MFR

5h 01m

1 stop

$253Alaska Airlines

Tue, Apr 28 - Thu, Apr 30

6:05 am - 11:14 am

MFR

ONT

5h 09m

1 stop

5:05 pm - 10:41 pm

ONT

MFR

5h 36m

1 stop

$257Delta

Sat, May 9 - Sun, May 24

6:05 am - 4:14 pm

MFR

ONT

10h 09m

2 stops

5:05 pm - 10:41 pm

ONT

MFR

5h 36m

1 stop

$262Delta

Sat, May 9 - Sun, May 24

5:36 pm - 11:59 pm

MFR

ONT

6h 23m

1 stop

7:00 am - 12:01 pm

ONT

MFR

5h 01m

1 stop

$263Alaska Airlines

Mon, Apr 27 - Fri, May 1

11:14 am - 5:15 pm

MFR

ONT

6h 01m

1 stop

1:20 pm - 11:20 pm

ONT

MFR

10h 00m

2 stops

$268Delta

Sat, Apr 25 - Wed, Apr 29

6:05 am - 12:49 pm

MFR

ONT

6h 44m

1 stop

5:05 pm - 10:41 pm

ONT

MFR

5h 36m

1 stop

$270Delta

Sat, May 9 - Sun, May 24

6:00 am - 4:25 pm

MFR

ONT

10h 25m

2 stops

1:20 pm - 11:20 pm

ONT

MFR

10h 00m

2 stops

$274Delta

Sat, Apr 25 - Wed, Apr 29

Alaska Airlines flights from Medford to Ontario

Our best Alaska Airlines deals on Medford to Ontario flight tickets

Alaska Airlines

Feb 24

MFR5:45 amMedford

5h 23m

1 stop

ONT11:08 amOntario

Feb 27

ONT4:02 pmOntario

7h 57m

1 stop

MFR11:59 pmMedford

$230

Alaska Airlines

Feb 10

MFR1:22 pmMedford

7h 14m

1 stop

ONT8:36 pmOntario

Feb 17

ONT4:02 pmOntario

7h 57m

1 stop

MFR11:59 pmMedford

$243

Alaska Airlines

Apr 28

MFR5:36 pmMedford

4h 56m

1 stop

ONT10:32 pmOntario

Apr 30

ONT7:00 amOntario

5h 01m

1 stop

MFR12:01 pmMedford

$253

Delta flights from Medford to Ontario

Our best Delta deals on Medford to Ontario flight tickets

Delta

Mar 27

MFR5:30 pmMedford

29h 18m

2 stops

ONT10:48 pmOntario

Apr 1

ONT5:53 pmOntario

5h 12m

1 stop

MFR11:05 pmMedford

$257

Delta

Apr 25

MFR6:00 amMedford

10h 25m

2 stops

ONT4:25 pmOntario

Apr 30

ONT5:55 pmOntario

5h 25m

1 stop

MFR11:20 pmMedford

$262

Delta

Apr 25

MFR11:14 amMedford

6h 01m

1 stop

ONT5:15 pmOntario

Apr 29

ONT1:20 pmOntario

10h 00m

2 stops

MFR11:20 pmMedford

$268

Fly from

Fly to

Route

Depart

Return

Price

MedfordOntario

MFR - ONT

MFRONT

Medford

Tue 2/24

5:45 am-11:08 am

1 stop5h 23m

Ontario

Fri 2/27

4:02 pm-11:59 pm

1 stop7h 57m

$230

MedfordOntario

MFR - ONT

MFRONT

Medford

Wed 2/11

3:45 pm-8:10 pm

1 stop4h 25m

Ontario

Sat 2/14

7:00 am-3:53 pm

1 stop8h 53m

$243

MedfordOntario

MFR - ONT

MFRONT

Medford

Wed 2/11

5:05 am-12:16 pm

1 stop7h 11m

Ontario

Tue 2/17

1:10 pm-11:12 pm

2 stops10h 02m

$248

MedfordOntario

MFR - ONT

MFRONT

Medford

Tue 4/28

5:36 pm-10:32 pm

1 stop4h 56m

Ontario

Thu 4/30

7:00 am-12:01 pm

1 stop5h 01m

$253

MedfordOntario

MFR - ONT

MFRONT

Medford

Sat 5/9

6:05 am-11:14 am

1 stop5h 09m

Ontario

Sun 5/24

5:05 pm-10:41 pm

1 stop5h 36m

$257

MedfordOntario

MFR - ONT

MFRONT

Medford

Sat 5/9

6:05 am-4:14 pm

2 stops10h 09m

Ontario

Sun 5/24

5:05 pm-10:41 pm

1 stop5h 36m

$262

MedfordOntario

MFR - ONT

MFRONT

Medford

Mon 4/27

5:36 pm-11:59 pm

1 stop6h 23m

Ontario

Fri 5/1

7:00 am-12:01 pm

1 stop5h 01m

$263

MedfordOntario

MFR - ONT

MFRONT

Medford

Sat 4/25

11:14 am-5:15 pm

1 stop6h 01m

Ontario

Wed 4/29

1:20 pm-11:20 pm

2 stops10h 00m

$268

MedfordOntario

MFR - ONT

MFRONT

Medford

Sat 5/9

6:05 am-12:49 pm

1 stop6h 44m

Ontario

Sun 5/24

5:05 pm-10:41 pm

1 stop5h 36m

$270

MedfordOntario

MFR - ONT

MFRONT

Medford

Sat 4/25

6:00 am-4:25 pm

2 stops10h 25m

Ontario

Wed 4/29

1:20 pm-11:20 pm

2 stops10h 00m

$274

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Medford to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Ontario?

In general, November is the cheapest month to fly from Medford to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $293. If you aren’t able to travel during the month of November, then book flights to Ontario from Medford during June instead. Flights to Ontario in June, while not as cheap as those in November, still average around $310.

How have Medford to Ontario flight prices changed over time?

When to book flights from Medford to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Medford to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Medford to Ontario (MFR to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Medford to Ontario

Fastest flight time	3h 43m
Direct flights	None

The fastest flight from Medford to Ontario takes 3h 43m

There are no direct flights from Medford to Ontario. There are no popular flight routes from Medford to Ontario.

Search flight deals

How far is Medford to Ontario by plane?
The distance between Medford and Ontario is about 636.8 mi. Typically, this will take 3h 43m by plane in normal conditions.
When did momondo last update prices for flights from Medford Airport to Ontario Airport?
Prices for flights from Medford Airport to Ontario Airport are updated daily.
How many operators does momondo search for flights from Medford Airport to Ontario Airport?
The number of operators available for flights from Medford Airport to Ontario Airport is 3 as of January 2026.
How old do you have to be to fly from Medford Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Medford Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Medford to Ontario?
momondo data reveals that the most frequently booked airline on the route from Medford to Ontario is United Airlines, representing 49% of all bookings. The subsequent popular airlines are Alaska Airlines at 35% and Delta at 16%.

Best airlines flying from Medford to Ontario

Compare and see reviews for airlines that fly from Medford to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $167	Free Cancellation	Rating 7.9 8,039 reviews	Search Delta flights
Alaska Airlines	PriceFrom $225	Free Cancellation	Rating 7.9 11,698 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $239	Free Cancellation	Rating 7.4 9,152 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Medford to Ontario?

It is quick and easy to find Medford to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from Medford to Ontario with flexible booking policies on momondo?

All flight searches from Medford to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Medford to Ontario?

momondo helps you find the best flight between Medford and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Medford to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Medford and alert you when they change.